EP 2385406 A1 20111109 - OPTICAL ELEMENT AND OPTICAL UNIT USING THE SAME
Title (en)
OPTICAL ELEMENT AND OPTICAL UNIT USING THE SAME
Title (de)
OPTISCHES ELEMENT UND OPTISCHE EINHEIT DAMIT
Title (fr)
ELÉMENT OPTIQUE ET UNITÉ OPTIQUE UTILISANT LEDIT ÉLÉMENT OPTIQUE
Publication
Application
Priority
- JP 2010050713 W 20100121
- JP 2009010695 A 20090121
- JP 2009104027 A 20090422
Abstract (en)
An optical element of the present invention is provide with a first surface which is formed on the front-object side and upon which light from the front-object side is incident, a second surface formed on the image side, and a third surface which is formed between the first surface and the second surface and upon which light from the generally lateral object side is incident. The first surface is provided with a first transmission surface formed around the optical axis and a first reflection surface which faces the image side and which is formed annularly around the first transmission surface. The second surface is provided with a second transmission surface formed around the optical axis, and a second reflection surface which faces the front object side and which is formed annularly around the second transmission surface.
IPC 8 full level
G02B 17/08 (2006.01); A61B 1/00 (2006.01); G02B 7/02 (2006.01); G02B 13/06 (2006.01); G02B 23/24 (2006.01); G02B 27/00 (2006.01)
CPC (source: EP US)
A61B 1/00096 (2013.01 - EP US); A61B 1/00179 (2013.01 - EP US); G02B 7/021 (2013.01 - EP US); G02B 13/06 (2013.01 - EP US); G02B 17/0856 (2013.01 - EP US); G02B 23/243 (2013.01 - EP US); G02B 27/0018 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2385406 A1 20111109; EP 2385406 A4 20170322; EP 2385406 A8 20111221; US 2011279915 A1 20111117; US 8467138 B2 20130618; WO 2010084914 A1 20100729
DOCDB simple family (application)
EP 10733521 A 20100121; JP 2010050713 W 20100121; US 201013138201 A 20100121